Sex act usually performed in front of groups or during a house party in which a woman has sex with one or more men and then has beer, malt liquor in 40oz bottles are poured over her body and buttocks.

Generally used in verb form.

Hey bitch, you wanna get 40oz bounced?
Shit homie that hoe got 40oz bounced!
She came over to the BBQ and ended up getting 40oz bounced.
Bitch enjoyed getting 40oz bounced.
If you don't stfu, you'll get 40oz bounced.